Area Code +45-637-(10000...19999) located in Telephony/ISDN, more detail is as below. Place International Dialing Code : 45 International Prefix : 00 National Destination Code : 637 Subscriber Number From : 10000 Subscriber Number To : 19999 National Destination Code Length : 3 Uses National Destination Code : No National Significant Number Length : 8 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : TDC A/S Click here to buy Denmark Area Code Database Other Information Language Code : da (Danish) Country Number : 208 (Denmark) Country Code : DK (Denmark) City : Telephony/ISDN Timezone : Europe/Copenhagen Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : None Longitude : None ‹ previous : +45-636-(70000...79999) next › : +45-637-(20000...29999) Dialling Instructions For trunk calls: - 637 10000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 45 637 10000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 10000 ~ 19999 (Count: 10,000) Example: +45-637-10000 / 0045-637-10000 (637-10000 / -637-10000) +45-637-10001 / 0045-637-10001 (637-10001 / -637-10001) +45-637-10002 / 0045-637-10002 (637-10002 / -637-10002) +45-637-10003 / 0045-637-10003 (637-10003 / -637-10003) +45-637-10004 / 0045-637-10004 (637-10004 / -637-10004) ...+45-637-xxxxx / 0045-637-xxxxx (637-xxxxx / -637-xxxxx) ...+45-637-19995 / 0045-637-19995 (637-19995 / -637-19995) +45-637-19996 / 0045-637-19996 (637-19996 / -637-19996) +45-637-19997 / 0045-637-19997 (637-19997 / -637-19997) +45-637-19998 / 0045-637-19998 (637-19998 / -637-19998) +45-637-19999 / 0045-637-19999 (637-19999 / -637-19999)